Answer Posted / siri

cat file1>>file2

What does the metacharacter mean?

1129

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What are bash commands?

1154

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What is awk good for?

1134

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When i run a programm of orphan process. Instead of getting child's parent (ppid)=1 ..i get 1400 and it varies as per system. How can i findthe right soluion??? My pgm: #include # include int main() { int pid; pid=fork(); if(pid < 0) {exit(-1);} else if(pid==0) { printf("Child Process is Sleeping ..."); sleep(10); printf("Orphan Child's Parent ID : %u ",getppid()); } else { printf("Parent Process Completed ... %u ",getpid()); exit(0); } return 0; } Output:

2263

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Explain ‘system calls’ with respect to unix commands?

1090

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What is the use of the tee command?

1093

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How do you grep a case insensitive?

1044

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What is the unix command to confirm a remote host is alive or not?

1212

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Write a command that will allow a unix system to shut down in 15 minutes, after which it will perform a reboot.

1229

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What does the md command do?

1128

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What is nr in awk command?

1197

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Why is grep called grep?

1288

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Explain command to view process running?

1123

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What is unix command line?

1246

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What is the search command in unix?

1083

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